<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no">
    <title>安装指南</title>
    <style>
      html, body, div, span, applet, object, iframe,
      h1, h2, h3, h4, h5, h6, p, blockquote, pre,
      a, abbr, acronym, address, big, cite, code,
      del, dfn, em, img, ins, kbd, q, s, samp,
      small, strike, strong, sub, sup, tt, var,
      b, u, i, center,
      dl, dt, dd, ol, ul, li,
      fieldset, form, label, legend,
      table, caption, tbody, tfoot, thead, tr, th, td,
      article, aside, canvas, details, embed,
      figure, figcaption, footer, header,
      menu, nav, output, ruby, section, summary,
      time, mark, audio, video, input {
          margin: 0;
          padding: 0;
          border: 0;
          font-size: 100%;
          font-weight: normal;
          vertical-align: baseline;
      }
      body {
          /*line-height: 1;*/
          /*height: 100%;*/
      }
    </style>
    
  </head>
  <body> 
    <img src="../resources/xyqb-install-step.png" style=" width: 100%;">
    <button onclick="window.history.go(-1)" style="width: 60px;height: 30px;margin-left: 10px;margin-bottom: 20px;">返 回</button>
  </body>
</html>
